
Thinkorswim, owned by TD Ameritrade, is a platform for traders to monitor and analyse price plots. The platform offers a range of chart types, including candle charts, which can be customised to the user's preferences. While it is not possible to adjust the size of candle wicks, there are several ways to adjust the spacing and appearance of candlesticks. This includes adjusting the zoom level, playing with the expansion area, and changing the row height and tick size.
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What You'll Learn

Adjust candle stick size by altering chart settings
To adjust candlestick size by altering chart settings in Thinkorswim, follow these steps:
First, select the desired chart type from the Chart Type dropdown menu. Choose "Candle" as your chart type. You can also select from other chart types such as Bar, Candle Trend, Heikin Ashi, Line, Area, and Equivolume.
Next, adjust the row height to your preferred size. You can do this by selecting "Automatic" from the Row Height dropdown, which splits the trading range into 50 equal intervals. Alternatively, you can choose "Ticksize" to adjust the row height to the tick size of the charted symbol, or select "Custom" to manually set the row height.
To add spacing between candlesticks and adjust the overall view, you can play around with the zoom level and the expansion area. Right-click on the chart and select Autozoom, then use the + and - symbols to adjust the zoom level. You can also adjust the expansion area on the right side of the chart to keep your candles in the center.
While Thinkorswim does not provide a means to adjust the size of candle wicks, you can try altering the colours under Chart Settings > Appearance or Style > Settings > Appearance to achieve a similar effect. Additionally, you can increase the font size in Thinkorswim through your platform's settings.
By following these steps, you can adjust the candlestick size and improve the overall appearance of your chart in Thinkorswim.
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Change the zoom level
To change the zoom level of a chart in Thinkorswim, right-click on the chart and select 'Autozoom'. You can adjust the zoom level by clicking the + and - symbols at the bottom. You can also double-click on the y-axis numbers to get it to auto-adjust.
To change the row height, use the Row height dropdown to select the preferred row height. You can choose from Automatic, Ticksize, or Custom. 'Automatic' splits the trading range of the time period into 50 equal intervals, 'Ticksize' adjusts the row height to the tick size of the charted symbol, and 'Custom' allows you to set the row height manually.
You can also play around with the ''Expansion area' settings to keep your candles in the centre of the chart.
Additionally, you can change the font size in Thinkorswim through your platform's settings. However, it is important to note that increasing the line width may affect the precision of the data displayed while using certain zoom levels.
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Use the 'Expansion area' setting
To use the Expansion area setting in thinkorswim, follow these steps:
First, make sure the Chart Settings window is open. You can refer to the Preparation Steps article for instructions on how to access this window. Once you have the Chart Settings window open, navigate to the Time axis tab.
In the Time axis tab, you will find the Expansion area field. This field allows you to specify the number of bars to enlarge the subgraph space to the right. You can play around with these settings to keep your candles in the centre of the chart.
It's important to note that the expansion settings can also be accessed by clicking the Right expansion settings button in the bottom right corner of the chart. This will allow you to adjust the expansion area without going through the main settings menu.
Additionally, you can customize the appearance of your candlesticks by selecting the desired appearance settings for the chart elements. This includes the colour scheme, tick sizes, and row height. You can also adjust the zoom level by clicking the + and - symbols at the bottom of the chart.
By following these steps and playing around with the various settings, you should be able to set the candlestick size and customize the appearance of your chart in thinkorswim.
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Change the row height
To change the row height in Thinkorswim, you can use the Row height dropdown to select your preferred row height setting. There are three options:
Automatic
This setting splits the trading range of the time period into 50 equal intervals.
Ticksize
This setting adjusts the row height to the tick size of the charted symbol.
Custom
This setting allows you to manually set the row height to your desired level.
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Adjust the font size
While it is not possible to adjust the candle wick size in Thinkorswim, you can increase the font size through your platform's settings.
To increase the font size, access your platform's settings. The settings can be found by clicking on your profile icon in the top-right corner of the Thinkorswim platform. From there, you can adjust the font size to your preferred level.
Additionally, you can adjust the spacing between candlesticks to make your charts appear less squished. To do this, click on the price bar on the 'Y' axis of the chart. Then, click and drag to expand the candlesticks into a closer view. After doing this, you can scale in by clicking back on the chart to drag to a closer view, which will scale the selected viewpoint to a smaller area.
You can also try altering the colours under either Chart Settings > Appearance or Style > Settings > Appearance.
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Frequently asked questions
Thinkorswim does not provide a means of adjusting the size of candlesticks. However, you can adjust the row height to the tick size of the charted symbol, which may make the candlesticks appear larger or smaller.
You can adjust the row height by selecting "Ticksize" from the "Row height" dropdown.
You can make your candlesticks appear cleaner by removing the VWAP or moving averages.
You can make your candlesticks appear larger by clicking on the price bar on the "Y" axis of the chart and dragging to expand the candlesticks.











































